Canvas = function(options){
	var _options = {};
	$.extend(_options,this._options,options);
	$.extend(this,{
		_options:_options
	});
	
	this._init();
};
Canvas.prototype = {
		_options:{
			height:"100%",
			width:"100%"
		},
		_canvas:null,
		_context:null,
		_style:null,
		_init:function(){
			this._canvas = document.createElement("canvas");
			this._context = this._canvas.getContext("2d");
			this._canvas.style.position = "absolute";
			this._canvas.style.top = Utils.pixel.style(0);
			this._canvas.style.left = Utils.pixel.style(0);
			this._canvas.style.width = Utils.pixel.style(this._options.width);
			this._canvas.style.height = Utils.pixel.style(this._options.height);
			
			document.body.appendChild(this._canvas);
		},
		brush:function(style){
			this._style = style;
			this._context.fillStyle = this._style;
		},
		rect:function(x,y,w,h){
			this._context.fillRect(x,y,w,h);
		}
};